Zinc, its Extraction, Properties and Uses
Zinc is a transition element but does not possess most on the characteristic features of other transition elements. For instance, it does not form colored…
Technology
Star: Spectral Classes and Classification of Stars
Stars are self luminous objects that shine by radiation obtained from energy sources that are found within them. The sun is a typical star. Stars…
How to Operate a Gasoline Engine and Generator
Gasoline engine : It is absolutely important that you do not connect any electrical appliance to the engine prior to starting it. When you are…
Oswald Avery and his Evidence of the Involvement of Nucleic Acid in Inheritance
Nucleic acids are molecules that contain information and are also capable of replication. It refuted the once held claim that only protein was capable of…